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Pickups Dodge Dakota Dodge Dakota Engine and Underhood Questions
378 messages, Last post on Nov 25, 2009 at 9:20 PM
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Replying to: cjwills (Nov 18, 2007 11:33 am) Here is what this means... First of all, you need to understand that the computer on your Dak. LEARNS as you drive. Over the course of driving under differing conditions, it LEARNS the best setting for ignition timings, Idle speed, Shift points (automatic), injection timings and other critical things. These LEARNED datapoints are stored in a "map" which relate the proper settings to external conditions such as throttle-position, ambient-temperature, engine-temparture...etc. Then, as these same conditions are seen again, the computer can instantly apply the "tweaks" to tune the engine because it proviously LEARNED what the best settings were and stored them in memory. This "memory" is lost if power to the computer is lost. (battery is disconected, computer is unplugged, fuse blows...etc) Given the above..... we can now understand that "memory standby power lost" means that the power-supply that maintains all of the LEARNED datapoints was lost. The only way to recover from this condition is to DRIVE THE VEHICLE. Over time, the computer will reLEARN the correct datapoints. The errorcode will reset itself over time.
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| the fan is loose and i can't figure out whats wrong. | |
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Replying to: bpeebles (Nov 18, 2007 6:05 pm) |
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| I have a 1999 Dakota 3.9L and i am experience problems at a higher RPM both in gear and in nuetral. The truck just won't rev above 3,500 RPM's like it cuts out. But runs fine at low RPM's. Any ideas????? | |
I have a 1990 dakota with 5.2L. I want to put a 5.9L in it. The 5.2L is internnaly balanced, and the 5.9L is externnaly balanced . What else has to be changed? Jeg has a flex plate for 5.9L w/904tf, will this bolt to the A500 converter? Or does the converter/flex got to be switched? The engine is also getting a cam upgrade. Where can the computer get upgraded? Or can I leave it?
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my 1999 Dodge Dakota start fine but after running a minute or two will act like its running out of gas, it will backfire, and create a smelly exhaust. This occures for maby 15 seconds then you can drive the truck for hours with no problems unless you shut it off for a few minutes. Does not seen to be as bad when the engine is real cool or after you fill up the gas tank. |
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I recently replaced the engine with a used one, everything went well in the change and started right up, but the Idle is very high, almost wide open, is this something to do with the computer settings, this was my first engine change and Im not up to date on the newer stuff with computers. Can anyone help me out?
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Replying to: kmk894 (Dec 05, 2007 8:43 am) |
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| used to be when the truck got hot sitting in traffic (temp gauge past center/normal) fan would sound like it was slipping or "whirring" as soon as i started moving air, it would stop and normal engine sounds and temp would resume. now it does it all the time. i could be wrong but i heard the fan had a "gel" type coupling that would "melt" when the engine temp got hot(ter) is it the fan? I dont know....a little help??? | |
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Very nice forum! I recently rebuilt the oil pump in my 98 Dakota 2.5-liter. But, I can't get any oil pressure. Do I need to prime it first? (is there an easy way?). Or, is there another possible cause? I'm pretty sure the oil pressure sensor is ok. Thanks! |
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